What is Tiajuana Trampoline?
1.
Stretching out your scrotum and placing a Mexican jumping bean on it. The bean will bounce up and down off your scrotum like a trampoline.
I paid some homeless dude in Guadalajara 20 pesos to show me a Tiajuana Trampoline.
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Random Words:
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the most inner part of your ass...only visable during the atomic moon (opening up your ass cheeks when you are mooning someone). Also it..